
public abstract class listaimp extends peradorr{


private String cadena,  cadenar, pil ,prueba;

protected int  cont, mul, parentesis,  num;
protected boolean verific;



public listaimp(){
	super();
	verific = false;
	pil = "  " ;
	num = 0;
	
	//largo = 0;

	
	prueba = " ";
	mul = 0; 
	
	ultimo = 0;
//fact = "se hizo el numero 2 ";
}

public abstract void push();



public abstract void getultimo();

public abstract void pop();










}